package com.baseLearn.learn.arithmetic.BTree;

import java.util.Scanner;

/**
 * 构建二叉树
 */
public class BtreeBuild {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNext()) {
            int i = scanner.nextInt();
            System.out.println(i);
        }
    }

}
